A network administrator is tasked with monitoring the performance of a Cisco Meraki network that supports a large retail store. The administrator needs to analyze the traffic patterns to identify potential bottlenecks and ensure optimal performance during peak shopping hours. The network consists of multiple access points, switches, and security appliances. The administrator uses the Meraki Dashboard to view the network\'s performance metrics. Which of the following metrics would be most critical for diagnosing issues related to wireless connectivity and overall network performance during high traffic periods?